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Essay On Cochlear Implantation

867 Words4 Pages

COMPARISION OF PSYCHOPHYSICAL AND PSYCHOACOUSTICAL PARAMETERS BETWEEN TRADITIONAL AND EARLY SWITCH-ON IN CHILDREN WITH COCHLEAR IMPLANT

Cochlear implant is a bio-electronic device which enables the person to hear by directly stimulating the auditory neurons. It consists of external and internal components. The external component contains a microphone, speech processor and a transmitting coil. The internal component contains the receiver/stimulator and the electrode array. The electrode array consists of electrodes and electrode carrier. The electrode carrier is a wire that extends from the receiver to the electrodes.

Working
The microphone collects the sound from the environment and converts them into electrical impulses and sends them to …show more content…

Cochlear implantation is considered as a safe and a reliable technique with a relatively low complication rate (Lenarz et al, 2009). The cochlear implant is a surgical procedure done in the hospital setting under general anaesthesia.The procedure usually takes from 2.5 to 3 hours. The majority of the patients are able to go home on the day of surgery.

Pre operative procedure
The doctors refer the patients to ENT doctors or otolaryngologists to check if they are suitable candidates for cochlear implants. There are various tests (Audiometry, Auditory Brainstem Response, Hearing Aid trial, CT scan, MRI scan, psychological evaluation and a physical examination) done to check if the patients are within the candidacy criteria for the

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